12201201100 has 36 divisors (see below), whose sum is σ = 28883573208. Its totient is φ = 4436800000.

The previous prime is 12201201091. The next prime is 12201201157. The reversal of 12201201100 is 110210221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5544901 + ... + 5547100.

It is an arithmetic number, because the mean of its divisors is an integer number (802321478).

Almost surely, 2^12201201100 is an apocalyptic number.

12201201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201201100 is an abundant number, since it is smaller than the sum of its proper divisors (16682372108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201201100 is a wasteful number, since it uses less digits than its factorization.

12201201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11092026 (or 11092019 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12201201100 its reverse (110210221), we get a palindrome (12311411321).

The spelling of 12201201100 in words is "twelve billion, two hundred one million, two hundred one thousand, one hundred".